15=-4(3x+1)+3x

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Solution for 15=-4(3x+1)+3x equation:


Simplifying
15 = -4(3x + 1) + 3x

Reorder the terms:
15 = -4(1 + 3x) + 3x
15 = (1 * -4 + 3x * -4) + 3x
15 = (-4 + -12x) + 3x

Combine like terms: -12x + 3x = -9x
15 = -4 + -9x

Solving
15 = -4 + -9x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '9x' to each side of the equation.
15 + 9x = -4 + -9x + 9x

Combine like terms: -9x + 9x = 0
15 + 9x = -4 + 0
15 + 9x = -4

Add '-15' to each side of the equation.
15 + -15 + 9x = -4 + -15

Combine like terms: 15 + -15 = 0
0 + 9x = -4 + -15
9x = -4 + -15

Combine like terms: -4 + -15 = -19
9x = -19

Divide each side by '9'.
x = -2.111111111

Simplifying
x = -2.111111111

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